Severe thunderstorms will march eastward across the northeastern United States, threatening to trigger damage and delays into Tuesday night.
As hot and humid air clashes with a surge of fall-like air diving southward out of Canada, the stage will be set for thunderstorms capable of causing damage early this week across the Midwest.
A renewed threat for severe weather and flooding will emerge over the midwestern United States into Monday night.
Devastating flooding and mudslides struck the west African country of Sierra Leone, while tropical activity was abundant in the Atlantic.
The central United States will be the focal point for severe thunderstorms once again to end the week.
A storm system will continue its trek eastward and raise the risk of severe thunderstorms in the Great Lakes and Ohio Valley Thursday afternoon and evening.